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Math Help - Posterior probabilities

  1. #1
    Senior Member
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    Posterior probabilities

    I know P(c1|x) = p(x|c1).p(c1)

    I don't know how to calculate p(x|c1)

    I am given 2 vectors in the form (x,y)

    and a covariance matrix (2x2)

    How do i calculate p(x|c1) from this?
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  2. #2
    MHF Contributor matheagle's Avatar
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    By any chance is this a bivariate normal density?
    If so, see Multivariate normal distribution - Wikipedia, the free encyclopedia
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